Question

which of the following could not be able to express in scientific notation?
a.2.300000 b.2/8 c.4 x 10 -4 d. 4 x 10 -5

Answer 1

Given : a.2.300000 b.2/8 c.4 x 10 -4 d. 4 x 10 -5

To Find : which of the following could not be able to express in scientific notation?

Solution:

Very large and very small numbers can be expressed in standard form.•

Standard form is also called scientific notation form

A number is written in scientific notation if it has the form c × 10ⁿ where

c ≥1,  c < 10, and n is an integer.

a.2.300000  can not be expressed as scientific notation?

as we would not be able to show 0's after 3  

b.2/8   = 1/4 = 0.25

= 2.5 x 10⁻¹

4 x 10⁻⁴   is already  in scientific notation.

4 x 10⁻⁵   is already  in scientific notation.

Hence 2.300000  can not be expressed in scientific notation.

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Answer 2

Answer:

A. 2.30000

Step-by-step explanation:

I don't think if it is right